1N2838B PBFREE

Overview

The 1N2838B PBFREE is a silicon Zener diode manufactured by Central Semiconductor Corp. It features a nominal Zener voltage of 100 V with a tolerance of ±5%. The device has a maximum power dissipation of 50 W and operates within a junction temperature range of -65°C to 175°C. Electrical characteristics include a reverse leakage current of 5 µA at 76 V, a forward voltage of 1.5 V at 10 A, and a maximum impedance of 20 Ohms. It utilizes a TO-3 through-hole package.

Feature Summary

• High power handling capability of 50 W for robust voltage regulation
• Hermetically sealed glass DO-41/TO-3 construction for environmental protection
• Wide operating temperature range suitable for demanding conditions

Applications

• High-power voltage reference circuits
• Overvoltage protection in industrial systems
• Power supply regulation modules

Procurement Notes

Verify the specific manufacturer documentation to confirm exact electrical tolerances and thermal resistance values before integration. Ensure that the procurement channel is authorized by Central Semiconductor Corp to guarantee product authenticity and warranty coverage. Cross-reference the datasheet specifications against the design requirements to validate compatibility with the intended application environment.

Selection Notes

Select this component when a high-power Zener diode with a 100 V breakdown voltage is required. The TO-3 package necessitates appropriate heatsinking strategies due to the 50 W power rating. Consider the ±5% tolerance and the specified leakage current limits to ensure they align with the precision requirements of the target circuit design.

Part Context

This part belongs to the 1N2838 series of high-power Zener diodes produced by Central Semiconductor Corp. The 'PBFREE' suffix indicates compliance with lead-free manufacturing standards. The device is designed for applications requiring stable voltage regulation under significant power loads, utilizing a rugged hermetic package.

Replacement Considerations

Consult official substitution lists from Central Semiconductor Corp or equivalent manufacturers for verified alternatives. Ensure any replacement matches the 100 V Zener voltage, 50 W power rating, and TO-3 package dimensions.